Hyperactive
Immune System
Hyperactivity of immune system results
from:
UInappropriate
response to self-antigens (autoimmune disorders)
UHeightened
immune response to harmless antigens (allergies)
UAbnormality
of antibody-producing cells (B or plasma cells)
Autoimmune
diseases:
UOccurs when
there is a loss of self-tolerance and antibodies produced against self-antigens
UClassifications
of autoimmune disorders:
eorgan-specific
eSystemic
_autoantibodies
show specificity for antigens expressed on a particular organ
_autoantibodies
directed against various cellular components and react with a variety of organs
